Septic arthritis of the sternoclavicular joint in a patient with human immunodeficiency virus infection

Septic arthritis is an unusual manifestation in patients with human immunodeficiency virus (HIV). The sternoclavicular joint is rarely affected, although it should be considered in immunosuppressed patients and users of intravenous drugs. Staphylococcus aureus is the most common pathogen detected and should be covered by empiric antibiotic therapy. Septic arthritis of the sternoclavicular joint is an unusual diagnose, although it should be considered in patients with human immunodeficiency virus and history of drug abuse.